Computationalaeroacoustics

Contents Page

Preface............................................................................................................................v

Acknowledgements..........................................................................................................................vii

Surface integral methods in computational aeroacoustics—from the (CFD) near-field to the (acoustic) far-field

Anastasios S. Lyrintzis ......................................................................1

Comparison of numerical schemes for a realisticcomputational aeroacoustics benchmark problem

R. Hixon, M. Nallasamy, S. Sawyerand R. Dyson........................................................................................39

A new time domain formulation for broadband noisepredictions

J. Casper and F. Farassat............................................................57

A boundary element method for aerodynamicsand aeroacoustics of bodies in arbitrary motions

L. Morino, G. Bernardini and M. Gennaretti ..............93

A three-dimensional parallel discontinuous Galerkin solverfor acoustic propagation studies

A. Crivellini and F. Bassi ............................................................123

On the accuracy of direct noise calculations based on theEuler model

Ilya V. Abalakin, Alain Dervieuxand Tatyana K. Kozubskaya ......................................................141

Part I: Computational Methods

ii Contents

A Fourier pseudospectral method for some computationalaeroacoustics problems

Xun Huang and Xin Zhang ......................................................167

A splitting method for aeroacoustic noise predictionof low Mach number viscous flows

Young J. Moon and J. H. Seo ................................................183

Assessment of computational models for the effectof aeroelasticity on BVI noise prediction

Giovanni Bernardini, Jacopo Serafini,Sandro lanniello and Massimo Gennaretti..................199

Validation of a time domain formulation for propeller noiseprediction

Ghader Ghorbaniasl and Charles Hirsch ....................225

Hybrid RANS-LES modeling for cavity aeroacousticspredictions

Srinivasan Arunajatesan and Neeraj Sinha................243

Landing gear aerodynamic noise predictionusing unstructured grids

F. J. Souliez, L. N. Long, P. J. Morrisand A. Sharma..................................................................................275

The simulation of airframe noise applyingEuler-perturbation and acoustic analogy approaches

R. Ewert, J. W. Delfs and M. Lummer ..........................297

Wake-airfoil interaction as broadband noise source:a large-eddy simulation study

Jérôme Boudet, Nathalie Grosjeanand Marc C. Jacob........................................................................323

Numerical evidence of mode switching in the flow-inducedoscillations by a cavity

Xavier Gloerfelt, Christophe Bogeyand Christophe Bailly ................................................................347

Part II: Computational Applications

Computation of engine noise propagationand scattering off an aircraft

D. Stanescu, J. Xu, M. Y. Hussainiand F. Farassat ................................................................................375

A three-dimensional linearized Euler analysisof classical wake/stator interactions:validation and unsteady response predictions

D. Prasad and J. M. Verdon ..................................................393

Fan interaction noise predictions using RANS-BEMcoupling

C. Polacsek and S. Burguburu ..............................................421

Computation of fan noise radiation through an engineexhaust geometry with flow

S. K. Richards, X. X. Chen, X. Huangand X. Zhang ....................................................................................437

RANS and DES turbulence model predictions of noiseon the M219 cavity at M=0.85

Fred Mendonça, Richard Allenand David Kirkham ......................................................................457

Numerical investigation of high speed free shear flowinstability and Mach wave radiation

Alexey N. Kudryavtsev andDmitry V. Khotyanovsky ..........................................................475

Application of numerical and experimental techniques forthe aeroacoustic characterisation of a car rear-view mirror

Christoph Reichl, Christian Krenn, Martin Mann and Hermann Lang ......................................................................495

Sources......................................................................................................................523

Computational Aeroacoustics iii